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Changes for Android 9 (Pie)

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* validate the stored file before start the mission
* add warning on StoredFileHelper.java
* simplify the communication between MissionAdapter and DownloadManagerService.java since shares the same looper
* simplify setVisible() "start/pause all downloads" buttons logic
This commit is contained in:
kapodamy 2019-09-01 18:17:54 -03:00
parent 85d1888ba7
commit 1a643126de
6 changed files with 66 additions and 69 deletions
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31
app/src/main/java/us/shandian/giga/service/DownloadManagerService.java
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@ -9,6 +9,7 @@ import android.content.Context;
import android.content.Intent;
import android.content.IntentFilter;
import android.content.SharedPreferences;
import android.content.SharedPreferences.OnSharedPreferenceChangeListener;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.net.ConnectivityManager;
@ -19,6 +20,7 @@ import android.net.Uri;
import android.os.Binder;
import android.os.Build;
import android.os.Handler;
import android.os.Handler.Callback;
import android.os.IBinder;
import android.os.Looper;
import android.os.Message;
@ -88,14 +90,14 @@ public class DownloadManagerService extends Service {
private Builder downloadDoneNotification = null;
private StringBuilder downloadDoneList = null;
private final ArrayList<Handler> mEchoObservers = new ArrayList<>(1);
private final ArrayList<Callback> mEchoObservers = new ArrayList<>(1);
private ConnectivityManager mConnectivityManager;
private BroadcastReceiver mNetworkStateListener = null;
private ConnectivityManager.NetworkCallback mNetworkStateListenerL = null;
private SharedPreferences mPrefs = null;
private final SharedPreferences.OnSharedPreferenceChangeListener mPrefChangeListener = this::handlePreferenceChange;
private final OnSharedPreferenceChangeListener mPrefChangeListener = this::handlePreferenceChange;
private boolean mLockAcquired = false;
private LockManager mLock = null;
@ -128,12 +130,7 @@ public class DownloadManagerService extends Service {
}
mBinder = new DownloadManagerBinder();
mHandler = new Handler(Looper.myLooper()) {
@Override
public void handleMessage(Message msg) {
DownloadManagerService.this.handleMessage(msg);
}
};
mHandler = new Handler(this::handleMessage);
mPrefs = PreferenceManager.getDefaultSharedPreferences(this);
@ -272,7 +269,7 @@ public class DownloadManagerService extends Service {
return mBinder;
}
public void handleMessage(Message msg) {
private boolean handleMessage(@NonNull Message msg) {
DownloadMission mission = (DownloadMission) msg.obj;
switch (msg.what) {
@ -300,14 +297,12 @@ public class DownloadManagerService extends Service {
mFailedDownloads.delete(mFailedDownloads.indexOfValue(mission));
synchronized (mEchoObservers) {
for (Handler handler : mEchoObservers) {
Message echo = new Message();
echo.what = msg.what;
echo.obj = msg.obj;
handler.sendMessage(echo);
for (Callback observer : mEchoObservers) {
observer.handleMessage(msg);
}
}
return true;
}
private void handleConnectivityState(boolean updateOnly) {
@ -515,7 +510,7 @@ public class DownloadManagerService extends Service {
return PendingIntent.getService(this, intent.hashCode(), intent, PendingIntent.FLAG_UPDATE_CURRENT);
}
private void manageObservers(Handler handler, boolean add) {
private void manageObservers(Callback handler, boolean add) {
synchronized (mEchoObservers) {
if (add) {
mEchoObservers.add(handler);
@ -596,11 +591,11 @@ public class DownloadManagerService extends Service {
);
}
public void addMissionEventListener(Handler handler) {
public void addMissionEventListener(Callback handler) {
manageObservers(handler, true);
}
public void removeMissionEventListener(Handler handler) {
public void removeMissionEventListener(Callback handler) {
manageObservers(handler, false);
}